Noting that the world is at a critical stage in combating climate change, environment minister Harsh Vardhan said on Sunday that the response of the developed nations to tackle the issue is still "not adequate".

Street crews in the US Northeast raced through the night into January 5 to clear snow-clogged streets after a powerful blizzard and restore power to homes ahead of a brutal cold spell that has killed more than a dozen people in the United States.

Tourism regulation in Antarctica has become an urgent matter due to environmental threats. In the absence of rules, travel agencies offer trips to the region on boats sometimes equipped with helicopters or submarines, officials said.

Warming temperatures caused by climate changing emissions may result in a catastrophic loss of marine wildlife and drastic changes to ocean food webs by 2100, scientists at the Florida Institute of Technology and the University of North Carolina said in a paper.

Unlike other countries such as the United States, China, Japan and Canada, the EU has no limits on CO2 emissions from trucks, which account for a quarter of road transport emissions while making up just 5 percent of the vehicles on the road.

Salvage master Nick Sloane said he was looking for government and private investors for a scheme to guide huge chunks of ice across the ocean, chop them into a slury and melt them down into millions of litres of drinking water.

Scientists found that the UK chocolate industry produces about 2.1 million tonnes of greenhouse gases in a year. This is equivalent to the annual emissions of the whole population of a city as large as Belfast. It also found that it takes around 1,000 litres of water to produce just one chocolate bar.